dhcpcd timeout due to unavailability of IPv6

[Lekensteyn]

With the default ethernet-dhcp from the examples directory, setting up a DHCP network on an IPv4-only network fails:

May 16 12:11:48 ar dhcpcd[2711]: eth0: sending IPv6 Router Solicitation
May 16 12:11:48 ar dhcpcd[2711]: eth0: broadcasting for a lease
May 16 12:11:52 ar dhcpcd[2711]: eth0: sending IPv6 Router Solicitation
May 16 12:11:54 ar dhcpcd[2711]: eth0: offered 192.168.2.17 from 192.168.2.1
May 16 12:11:54 ar dhcpcd[2711]: eth0: acknowledged 192.168.2.17 from 192.168.2.1
May 16 12:11:54 ar dhcpcd[2711]: eth0: checking for 192.168.2.17
May 16 12:11:56 ar dhcpcd[2711]: eth0: sending IPv6 Router Solicitation
May 16 12:11:58 ar dhcpcd[2711]: timed out

dhcpcd shouldn't be trying to get an IPv6 address, the following configuration "fixes" that:

DhcpcdOptions=-4

Other solutions that I have seen is using dhclient instead of dhcpcd.

[joukewitteveen]

Interesting. I'll add the -4 parameter to the defaults. It looks like netctl should support dhcpcd also for IPv6 nowadays...